CN107675883B - Convex point box girder for top die - Google Patents
Convex point box girder for top die Download PDFInfo
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- CN107675883B CN107675883B CN201710876205.XA CN201710876205A CN107675883B CN 107675883 B CN107675883 B CN 107675883B CN 201710876205 A CN201710876205 A CN 201710876205A CN 107675883 B CN107675883 B CN 107675883B
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- steel frame
- wall
- steel
- box girder
- plate
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/16—Members, e.g. consoles, for attachment to the wall to support girders, beams, or the like carrying forms or moulds for floors, lintels, or transoms
Abstract
The invention discloses a salient point box girder for a top mould, which is connected to a wall body through an embedded part and comprises a steel frame, a wall hanging part, a wall abutting part, a stand column base and a ladder stand, wherein the wall hanging part is connected to one side of the steel frame, which is close to the wall body, through a buckle so as to be connected with the embedded part; the upright post base is arranged on the upper end face, far away from the wall hanging piece, of the steel frame; the two wall supporting pieces are respectively connected to the lower cross beam of the steel frame in the length direction through iron chains to tightly support the lower half part of the wall hanging piece, so that the wall hanging piece is tightly attached to the wall surface of the wall body; the ladder stand is arranged in the upper cross beam and the lower cross beam of the steel frame in the width direction. The embedded parts are arranged in the wall body, the steel frame is connected with the embedded parts through the pins by using the wall hanging parts, and the pins are unidirectional rotary special pins, so that the installation is simple and convenient. This case roof beam is applicable to the wall body limit and sets up the condition of top mould fulcrum, only needs a slice wall body can support the top mould stand, has certain practicality.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a convex point box girder for a top mold.
Background
In the building construction, the box girder below the upright post is usually a simply supported girder when the top formwork is used, and two supporting points are needed, so that at least one opposite side in a cylinder in which the upright post is located is required to be a wall body. However, when the internal structure of the core tube is complex, such a use condition is not always available, and when only one side of the tube where the upright post is located is provided with the shear wall, the box beam with two simply-supported ends cannot be used.
Disclosure of Invention
Aiming at the technical problem that box beams with two simply-supported ends cannot be used under the condition that only one side is provided with a shear wall in the prior art, the invention provides a convex point box beam for a top die, which can be used for single-side shear wall support.
In order to solve the technical problems, the invention adopts the technical scheme that:
a salient point box girder for a top mould is connected to a wall body through an embedded part and comprises a steel frame, a wall hanging part, a wall supporting part, a stand column base and a ladder stand, wherein the wall hanging part is connected to one side, close to the wall body, of the steel frame through a buckle so as to be connected with the embedded part; the upright post base is arranged on the upper end face, far away from the wall hanging piece, of the steel frame; the two wall supporting pieces are respectively connected to the lower cross beam of the steel frame in the length direction through iron chains to tightly support the lower half part of the wall hanging piece, so that the wall hanging piece is tightly attached to the wall surface of the wall body; the ladder stand is arranged in the upper cross beam and the lower cross beam of the steel frame in the width direction.
Preferably, the steel framework is a framework structure of a cube structure composed of H-shaped steel and channel steel, and comprises six side frames, the steel framework is provided with crossed H-shaped steel on two sides in the length direction, the steel framework is connected with channel steel arranged in a plurality of levels along the height direction between two vertical H-shaped steel close to the width direction of the wall body, the channel steel is parallel to each other, and the steel framework is provided with two channel steel which form a herringbone shape and are connected to the lower beam on the upper beam on one side away from the width direction of the wall body.
Preferably, the wall-hanging part comprises a steel panel, slot plates, an upper clamping plate, a lower clamping plate and a lower hanging claw, pin holes corresponding to the embedded parts are formed in the steel panel to penetrate through the embedded parts to be connected with the wall-hanging part and the embedded parts through pins, the width of the steel panel is not smaller than that of the steel frame, two slot plates are arranged at the upper end of one surface, facing the steel frame, of the steel panel, the two slot plates are respectively attached to the top surface of an upper cross beam perpendicular to the length direction of the steel frame, each slot plate is provided with four slots located on the same horizontal plane, the middle of the lower end, facing the one surface of the steel frame, of the steel panel is sequentially provided with the upper clamping plate and the lower clamping plate from top to bottom, a clamping groove used for clamping the lower cross beam in the length direction of the steel frame is formed between the upper clamping plate and the lower clamping plate, and the lower hanging claws are rotatably connected to one end, far away from the steel panel, of the upper clamping, the lower end of each lower hanging claw is abutted to the bottom of the tail end of the lower clamping plate.
Preferably, the buckle comprises an upper cover plate and a lower cover plate, the inner top surface of the upper cover plate is provided with four convex plates to be respectively clamped into the corresponding clamping grooves, and the upper cover plate and the lower cover plate are respectively buckled on the clamping groove plates and the upper cross beam of the steel frame in the length direction and are connected through bolts.
Preferably, the steel frame is provided with jacks on the upper cross beam and the lower cross beam in the length direction respectively, and each jack is connected with the wall hanging piece so as to adjust the horizontal relative position of the wall hanging piece and the steel frame.
Preferably, the wall propping piece is composed of a cubic plate made of an aluminum alloy material, the lower end of the wall propping piece is provided with a tapered side face, and the upper end of the wall propping piece is connected with the iron chain.
Preferably, the pin is a unidirectional rotary pin and comprises a circular section and an ellipse-like section, the ellipse-like section is located at the tail end of the pin, the cross section of the hole in the embedded part is circular and ellipse-like from outside to inside in sequence, so that the pin firstly passes through the ellipse-like hole when being inserted into the hole in the embedded part and then enters the round hole and then rotates for 90 degrees to be locked.
Preferably, the stand base is formed by a pure steel sheet and a rubber slab coincide, the rubber slab is close to steel frame's top surface, the rubber slab is pasted by the stack in turn of steel sheet and sheet rubber and is formed for the top mould stand support corner that the end of encorbelmenting of leveling box girder sinks and arouses.
Preferably, the material of cat ladder is the aluminum alloy, the cat ladder includes bench and safety bar, and is a plurality of the bench is connected two between the safety bar for trample the ladder from top to bottom, the top joint of cat ladder is on steel frame width direction's entablature.
Compared with the prior art, the invention has the beneficial effects that: the embedded parts are arranged in the wall body, the steel frame is connected with the embedded parts through the wall hanging parts and the pins, and the steel frame is connected with the embedded parts through the wall hanging parts, so that the wall-mounted embedded steel frame is suitable for the condition that a top mold supporting point is arranged at the edge of the wall body, the top mold upright post can be supported by only one wall body, and the wall-mounted embedded steel frame has certain practicability.
Drawings
FIG. 1 is a schematic front view of a bump box girder for a top mold according to the present invention;
FIG. 2 is a side view of the bump box girder for the top mold according to the present invention;
FIG. 3 is a schematic top view of a bump box girder for a top mold according to the present invention;
FIG. 4 is a schematic top view of the lower beam of the bump box girder for the top mold according to the present invention;
FIG. 5 is a front view schematically illustrating the structure of the steel frame of the bump box girder for the top mold according to the present invention;
FIG. 6 is a left side view structural schematic diagram of a steel frame of a convex point box girder for a top mold in the invention;
FIG. 7 is a right side view structural schematic diagram of a steel frame of a convex point box girder for a top mold in the invention;
FIG. 8 is a schematic top view of the steel frame of the present invention for a convex box girder of a top mold;
FIG. 9 is a schematic bottom view of the steel frame of the convex point box girder for the top mold according to the present invention;
FIG. 10 is a schematic front view of a wall hanging member of the bump box girder for the top mold according to the present invention;
FIG. 11 is a side view of the wall hanging member of the bump box girder for the top mold according to the present invention;
FIG. 12 is a schematic cross-sectional view of a buckle of the bump box girder for the top mold according to the present invention;
FIG. 13 is a schematic front view of a pin for a bump box beam for a top mold according to the present invention;
FIG. 14 is a front view of a wall abutting member of the bump box girder for a top mold according to the present invention;
FIG. 15 is a front view schematically illustrating the structure of the ladder stand of the convex point box girder for the top mold according to the present invention;
fig. 16 is a side view schematically showing the structure of the ladder stand of the bump box girder for the top mold according to the present invention.
In the figure: 1-a steel frame; 11-H section steel; 12-channel steel; 2-hanging wall parts; 21-hanging and grabbing; 22-a card slot; 23-a clamping groove; 24-a steel panel; 25-a grasping head; 26-a card slot plate; 27-upper clamping plate; 28-lower splint; 3-buckling; 31-upper cover plate; 32-a lower cover plate; 33-convex plate; 4-column base; 41-steel plate; 42-a rubber plate; 5-a mechanical jack; 6-pin; 61-circular cross-sectional section; 62-elliptical-like cross-sectional section; 7-embedded parts; 8-a wall abutting piece; 9-climbing a ladder; 91-a bench; 92-a safety lever; 10-wall body.
Detailed Description
So that those skilled in the art can better understand the technical solution of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 16, an embodiment of the invention discloses a convex point box girder for a top mold, which is connected to a wall 10 through an embedded part 7, and comprises a steel frame 1, a wall-hanging part 2, a wall-supporting part 8, a column base 4 and a ladder 9, wherein the wall-hanging part 2 is connected to one side surface of the steel frame 1 close to the wall 10 through a buckle 3 to be connected with the embedded part 7, the column base 4 is arranged on the top surface of the steel frame 1, the two wall-supporting parts 8 are respectively connected to the upper end and the lower end of the steel frame 1 through iron chains to tightly support the lower half part of the wall-hanging part 2, so that the wall-hanging part 2 can be tightly attached to the wall surface of the wall 10, and the ladder 9 is arranged inside an upper cross girder of the steel frame 1 parallel to the wall 10.
In this embodiment, as shown in fig. 1 to 4, the upper beam and the lower beam of the steel frame 1 in the length direction are respectively provided with a jack 5, one end of each jack 5 is connected to the upper beam or the lower beam of the steel frame 1 in the length direction, and the other end is connected to the ear plate on the wall hanging piece 2, so as to adjust the horizontal relative position of the wall hanging piece 2 and the steel frame 1. When meeting in the wall and when receiving, accessible mechanical jack 5 removes wall spare 2, realizes wall spare 2 horizontal migration, changes wall spare 2 and steel frame 1's horizontal relative position relation, under the unchangeable prerequisite of guaranteeing steel frame 1 horizontal position, whole case roof beam still is connected with wall body 10, and the stand position just need not change yet like this, does not influence the top mould.
In this embodiment, as shown in fig. 5 to 9, the steel frame 1 is a cubic frame structure composed of H-shaped steel 11 and channel steel 12, and is composed of six side frames, the two side frames of the steel frame 1 in the length direction are all provided with crossed H-shaped steel 11, so as to increase the structural strength of the steel frame 1, the steel frame 1 is connected with channel steel 12 arranged in a plurality of levels along the height direction between two vertical H-shaped steel 11 close to the width direction of the wall 10, the channel steels 12 are parallel to each other, and the steel frame 1 is provided with two channel steels 12 forming a herringbone and connected to the bottom end rail on the upper end rail on the side far away from the width direction of the wall 10.
In this embodiment, as shown in fig. 10 and fig. 11, the wall-hanging component 2 includes a steel panel 24, two slot plates 26, an upper clamp plate 27, a lower clamp plate 28, and a lower hook 21, the steel panel 24 is provided with a pin hole corresponding to the embedded part 7 to pass through the pin 6 to connect the wall-hanging component 2 and the embedded part 7, the width of the steel panel 24 is not less than the width of the steel frame 1, the upper end of one side of the steel panel 24 facing the steel frame 1 is provided with two slot plates 26, the two slot plates 26 are respectively attached to the top surfaces of the upper beams (two H-shaped steels 11 in the length direction) of the steel frame 1 perpendicular to the steel panel 24, each slot plate 26 is provided with four slot plates 22 located on the same horizontal plane, the middle of the lower end of one side of the steel panel 24 facing the steel frame 1 is provided with the upper clamp plate 27 and the lower clamp plate 28 in sequence from top to bottom, a clamping groove 23 for clamping the lower beam (H-shaped steel 11 in the length direction) of the steel frame 1 perpendicular to the steel panel 24 is, the plurality of lower hanging claws 21 are rotatably connected to one end of the upper clamping plate 27 far away from the steel panel 24 along the width direction of the upper clamping plate 27, a rib plate connected to the upper clamping plate 27 and the steel panel 24 is welded to each of two sides of each lower hanging claw 21, and the head part 25 at the lower end of each lower hanging claw 21 abuts against the bottom of the tail end of the lower clamping plate 28. In order to increase the structural strength of the lower clamp plate 28, a plurality of ribs connected to the lower clamp plate 28 and the steel panel 24 are welded under the lower clamp plate 28.
In this embodiment, as shown in fig. 12, the buckle 3 includes an upper cover plate 31 and a lower cover plate 32, four protruding plates 33 are disposed on the inner top surface of the upper cover plate 31 to be respectively clamped into the corresponding clamping grooves 22, and the upper cover plate 31 and the lower cover plate 32 are respectively fastened to the clamping groove plate 26 and the upper cross beam of the steel frame 1 in the length direction and connected by bolts. The outer surfaces of the upper cover plate 31 and the lower cover plate 32 are welded with steel plates for transverse stiffening.
In this embodiment, as shown in fig. 14, the wall supporting member 8 is made of a cubic plate made of an aluminum alloy material, the lower end of the wall supporting member 8 has a tapered outer side surface, the upper end of the wall supporting member 8 has a clamping plate abutted against the top surface of the lower beam in the length direction of the steel frame 1, and the upper end of the wall supporting member 8 is connected to an iron chain.
In this embodiment, as shown in fig. 13, the pin 6 is a unidirectional rotation pin, the pin 6 includes a circular section 61 and an ellipse-like section 62, and the ellipse-like section 62 is located at the end of the pin 6, and accordingly, the cross section of the hole in the embedded part 7 is circular and ellipse-like in sequence from outside to inside, so that the pin 6 passes through the ellipse-like hole first when being inserted into the hole in the embedded part 7, enters the circular hole, and then rotates by 90 degrees to be locked. The pin 6 is a unidirectional rotary special pin, and is simple and convenient to install.
In this embodiment, as shown in fig. 1 to 4, the column base 4 is formed by laminating a pure steel plate 41 and a rubber plate 42, and the rubber plate 42 is formed by alternately laminating and adhering thin steel plates and rubber sheets, and is used for leveling the top mold column support corner caused by the sinking of the overhanging end of the box girder.
In this embodiment, as shown in fig. 15 and 16, the ladder 9 is made of aluminum alloy, the ladder 9 includes a plurality of sections 91 and safety bars 92, the sections 91 are connected between the safety bars 92 for stepping on the ladder, and the top of the ladder 9 is fastened to the upper cross beam of the steel frame 1 in the width direction.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (9)
1. A salient point box girder for a top mould is connected to a wall body through an embedded part and is characterized by comprising a steel frame, a wall hanging part, a wall abutting part, a stand column base and a ladder stand, wherein the wall hanging part is connected to one side, close to the wall body, of the steel frame through a buckle so as to be connected with the embedded part; the upright post base is arranged on the upper end face, far away from the wall hanging piece, of the steel frame; the two wall supporting pieces are respectively connected to the lower cross beam of the steel frame in the length direction through iron chains to tightly support the lower half part of the wall hanging piece, so that the wall hanging piece is tightly attached to the wall surface of the wall body; the ladder stand is arranged in the upper cross beam and the lower cross beam of the steel frame in the width direction.
2. The embossed box girder for a top mold according to claim 1, wherein the steel frame has a frame structure of a cubic structure composed of H-type steel and channel steel, and comprises six side frames, the steel frame is erected with crossing H-type steel on both sides in a length direction, the steel frame is connected with a plurality of horizontally arranged channel steel in a height direction between two vertical H-type steel in a width direction close to a wall body, the plurality of channel steel are parallel to each other, and the steel frame is provided with two channel steel constituting a herringbone shape and connected to a lower beam on an upper beam on a side far from the width direction of the wall body.
3. The salient point box girder for the top mold according to claim 2, wherein the wall hanging part comprises a steel panel, two slot plates, an upper clamping plate, a lower clamping plate and a lower hook, the steel panel is provided with pin holes corresponding to the embedded parts to be connected with the wall hanging part and the embedded parts by pins, the width of the steel panel is not less than the width of the steel frame, the upper end of one side of the steel panel facing the steel frame is provided with two slot plates, the two slot plates are respectively attached to the top surface of the upper beam vertical to the length direction of the steel frame, each slot plate is provided with four slots positioned on the same horizontal plane, the middle part of the lower end of one side of the steel panel facing the steel frame is provided with the upper clamping plate and the lower clamping plate in sequence from top to bottom, a clamping groove for clamping the lower beam in the length direction of the steel frame is formed between the upper clamping plate and the lower clamping plate, the lower hanging claws are rotatably connected to one end, far away from the steel panel, of the upper clamping plate along the width direction of the upper clamping plate, and the head of each lower hanging claw at the lower end abuts against the bottom of the tail end of the lower clamping plate.
4. The salient point box girder for the top mold as claimed in claim 3, wherein the fasteners comprise an upper cover plate and a lower cover plate, the inner top surface of the upper cover plate is provided with four protruding plates for being respectively fastened into the corresponding fastening grooves, and the upper cover plate and the lower cover plate are respectively fastened on the fastening groove plates and the upper cross beam of the steel frame in the length direction and connected through bolts.
5. The salient point box girder for a roof formwork as claimed in claim 1, wherein the steel frame is provided with jacks on an upper cross beam and a lower cross beam in a length direction, respectively, and each of the jacks is connected with a wall hanging member to adjust a horizontal relative position of the wall hanging member and the steel frame.
6. The salient point box girder for the top mold according to claim 1, wherein the wall abutment member is composed of a cubic plate material of an aluminum alloy material, and the lower end of the wall abutment member has a tapered side, and the upper end of the wall abutment member is connected with the iron chain.
7. The salient point box girder for the top mold according to claim 3, wherein the pin is a unidirectional rotation type pin comprising a circular section and an ellipse-like section, and the ellipse-like section is located at the end of the pin, and the cross section of the hole in the embedded part is circular and ellipse-like from outside to inside in sequence, so that the pin passes through the ellipse-like hole first when being inserted into the hole in the embedded part, enters the circular hole and then rotates 90 degrees to be locked.
8. The salient-point box girder for the top die of claim 1, wherein the column base is formed by laminating a pure steel plate and a rubber plate, the rubber plate is close to the top surface of the steel frame, and the rubber plate is formed by alternately laminating and pasting thin steel plates and rubber sheets and is used for leveling the top die column support corner caused by the sinking of the overhanging end of the box girder.
9. The salient point box girder for the top mold as claimed in claim 1, wherein the ladder stand is made of aluminum alloy and comprises ladder sections and safety rods, the ladder sections are connected between the two safety rods and used for stepping on the upper ladder and the lower ladder, and the top of the ladder stand is clamped on an upper cross beam of a steel frame in the width direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876205.XA CN107675883B (en) | 2017-09-25 | 2017-09-25 | Convex point box girder for top die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876205.XA CN107675883B (en) | 2017-09-25 | 2017-09-25 | Convex point box girder for top die |
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| Publication Number | Publication Date |
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| CN107675883A CN107675883A (en) | 2018-02-09 |
| CN107675883B true CN107675883B (en) | 2020-05-08 |
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| CN201710876205.XA Active CN107675883B (en) | 2017-09-25 | 2017-09-25 | Convex point box girder for top die |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103255838A (en) * | 2013-05-09 | 2013-08-21 | 北京安德固脚手架工程有限公司 | Construction method with adoption of large-tonnage long-stroke oil cylinder jacking mold frame |
| CN103669832A (en) * | 2013-12-13 | 2014-03-26 | 中建三局第一建设工程有限责任公司 | Standard Bailey truss assembling type jacking formwork system |
| CN104631624A (en) * | 2014-12-10 | 2015-05-20 | 中建三局第一建设工程有限责任公司 | Automatic leveling device used for ends of supporting box girder in jacking formwork system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8701832B2 (en) * | 2010-07-26 | 2014-04-22 | Younassan Joseph Honein | Tank plate erection system |
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2017
- 2017-09-25 CN CN201710876205.XA patent/CN107675883B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103255838A (en) * | 2013-05-09 | 2013-08-21 | 北京安德固脚手架工程有限公司 | Construction method with adoption of large-tonnage long-stroke oil cylinder jacking mold frame |
| CN103669832A (en) * | 2013-12-13 | 2014-03-26 | 中建三局第一建设工程有限责任公司 | Standard Bailey truss assembling type jacking formwork system |
| CN104631624A (en) * | 2014-12-10 | 2015-05-20 | 中建三局第一建设工程有限责任公司 | Automatic leveling device used for ends of supporting box girder in jacking formwork system |
Non-Patent Citations (1)
| Title |
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| 武汉中心可变微凸支点匣套型顶升模架体系关键施工技术;周杰刚等;《施工技术》;20131031;第42卷(第19期);第12-17页 * |
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